NCP1603
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8
ELECTRICAL CHARACTERISTICS (continued) (For typical values T
J
= 25癈, for min/max values, T
J
= 40癈 to +125癈,
V
CC2
= 13 V, HV = 30 V, V
CC1
= 15 V, V
control
= 100 nF, Ramp = 330 pF, Osc = 220 pF unless otherwise specified).
Characteristic (PFC Section)
Pin
Symbol
Min
Typ
Max
Unit
PFC CURRENT SENSE
Current Sense Pin Offset Voltage (I
S
= 100 mA)
11
V
S
4.0
mV
Overcurrent Protection Level
11
I
S(OCP)
190
203
210
mA
Current Sense Pin Offset Voltage at Overcurrent Level
11
V
S(OCP)
0
3.2
20
mV
Zero Current Detection Level
11
I
S(ZCD)
9
14
19
mA
Current Sense Pin Offset Voltage at Zero Current Level
11
V
S(ZCD)
0
7.5
20
mV
Zero Current Sense Resistor (R
S(ZCD)
= V
S(ZCD)
/I
S(ZCD)
)
11
R
S(ZCD)
0.536
1.0
kW
PFC RAMP
Charging Current (Ramp = 0 V)
12
I
ch
95
100
105
mA
Maximum Power Resistance (R
power
= V
control(max)
/I
ch
)
12
R
power
9.5
10
11.5
kW
Internal Clamping of Voltage V
ton
V
ton(max)
3.9
V
Internal Capacitance of the Ramp Pin
12
C
ramp(int)
22
pF
Ramp Pin Sink Resistance
(Osc = 0 V, Ramp = 1.0 mA sourcing)
12
R
ramp
71.5
W
PFC THERMAL SHUTDOWN
Thermal Shutdown Threshold (Note 6)
T
SD1
140
170
癈
Thermal Shutdown Hysteresis
T
H1
45
癈
PFC SUPPLY SECTION
Supply Voltage
Startup Threshold (UVLO)
Minimum Voltage for Operation after TurnOn
UVLO Hysteresis
8
V
CC1(on)
V
CC1(off)
V
H1
9.6
8.25
1.0
10.5
9.0
1.5
11.4
9.75
V
V
V
Supply Current
StartUp (V
CC1
= V
CC1(on)
0.2 V)
Operating (V
CC1
= 15 V, Out1 = Open, Osc = 220 pF)
Operating (V
CC1
= 15 V, Out1 = 1.0 nF to GND1, Osc = 220 pF)
Shutdown (V
CC1
= 15 V, I
FB
= 0 A)
8
I
CC1(stup)
I
CC1(op1)
I
CC1(op2)
I
CC1(stdn)
17
2.7
3.7
24
40
5.0
5.0
50
mA
mA
mA
mA
6. Guaranteed by design.
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